Civil Engineering Mcqs

In compressed air tunneling, the volume of free air provided is______________?

(A) 6 mJ per second per m2 of face area

(B) 6 m3 per minute per m2 of face area

(C) 20 m3 per minute per m2 of face area

(D) 6 m3 per hour per m2 of face area

Submitted By: Ali Uppal

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